GB1578560A - Device for regulating the ratio of the operating mixture to be fed to an internal combustion engine - Google Patents

Device for regulating the ratio of the operating mixture to be fed to an internal combustion engine Download PDF

Info

Publication number
GB1578560A
GB1578560A GB21430/77A GB2143077A GB1578560A GB 1578560 A GB1578560 A GB 1578560A GB 21430/77 A GB21430/77 A GB 21430/77A GB 2143077 A GB2143077 A GB 2143077A GB 1578560 A GB1578560 A GB 1578560A
Authority
GB
United Kingdom
Prior art keywords
probe
voltage
circuit
threshold value
fed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB21430/77A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19762623113 external-priority patent/DE2623113C2/de
Priority claimed from DE19762649456 external-priority patent/DE2649456C2/de
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB1578560A publication Critical patent/GB1578560A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
    • F02D41/1479—Using a comparator with variable reference
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
    • F02D41/148—Using a plurality of comparators

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
GB21430/77A 1976-05-22 1977-05-20 Device for regulating the ratio of the operating mixture to be fed to an internal combustion engine Expired GB1578560A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19762623113 DE2623113C2 (de) 1976-05-22 1976-05-22 Vorrichtung zur Bestimmung der Dauer von Kraftstoffeinspritzimpulsen
DE19762649456 DE2649456C2 (de) 1976-10-29 1976-10-29 Lambda-Regelung für eine Brennkraftmaschine

Publications (1)

Publication Number Publication Date
GB1578560A true GB1578560A (en) 1980-11-05

Family

ID=25770489

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21430/77A Expired GB1578560A (en) 1976-05-22 1977-05-20 Device for regulating the ratio of the operating mixture to be fed to an internal combustion engine

Country Status (3)

Country Link
US (1) US4187806A (ja)
JP (2) JPS52154930A (ja)
GB (1) GB1578560A (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5381827A (en) * 1976-12-27 1978-07-19 Nissan Motor Co Ltd Air fuel ratio controller
JPS594541B2 (ja) * 1978-12-08 1984-01-30 日産自動車株式会社 空燃比制御装置
JPS57192849A (en) * 1981-05-25 1982-11-27 Toyota Central Res & Dev Lab Inc Detecting device for limit current system oxygen concentration performing temperature compensation of measuring output
JPS58150047A (ja) * 1982-03-03 1983-09-06 Hitachi Ltd 内燃機関の燃料噴射制御装置
DE3727573A1 (de) * 1987-08-19 1989-03-02 Bosch Gmbh Robert Verfahren und einrichtung zur warmlauf-, vollast- und magerregelung einer brennkraftmaschine bei vorgegebenem lambda-wert
US5396875A (en) * 1994-02-08 1995-03-14 Ford Motor Company Air/fuel control with adaptively learned reference
US5408980A (en) * 1994-02-25 1995-04-25 Ford Motor Company Air/fuel control method with adaptive feedback actuation
JPH0861121A (ja) * 1994-06-29 1996-03-05 Ford Motor Co 電熱器の制御を受ける排気ガス酸素センサによるエンジンの空気／燃料比の制御方法
US5465697A (en) * 1994-12-06 1995-11-14 Ford Motor Company Cold start engine air/fuel control system
US5579746A (en) * 1995-06-08 1996-12-03 Hamburg; Douglas R. Engine lean air/fuel control system
DE102004049084A1 (de) * 2004-10-08 2006-04-13 Robert Bosch Gmbh Sensorschnittstelle mit integrierter Strommessung
US7228247B1 (en) * 2005-11-09 2007-06-05 Siemens Vdo Automotive Corporation Sensor hysteresis reduction
DE102009032064B3 (de) * 2009-07-07 2010-08-26 Continental Automotive Gmbh Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2116097B2 (de) * 1971-04-02 1981-01-29 Bosch Gmbh Robert Vorrichtung zur Regelung der Luftzahl λ des einer Brennkraftmaschine zugeführten Kraftstoff-Luft-Gemisches
US3919981A (en) * 1970-12-28 1975-11-18 Bendix Corp Circuit for providing electronic enrichment fuel compensation in an electronic fuel control system
US3771502A (en) * 1972-01-20 1973-11-13 Bendix Corp Circuit for providing electronic warm-up enrichment fuel compensation which is independent of intake manifold pressure in an electronic fuel control system
DE2206276C3 (de) * 1972-02-10 1981-01-15 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Vorrichtung zur Verminderung von schädlichen Anteilen der Abgasemission von Brennkraftmaschinen
US3815561A (en) * 1972-09-14 1974-06-11 Bendix Corp Closed loop engine control system
DE2251167C3 (de) * 1972-10-19 1986-07-31 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Abgasentgiftung von Brennkraftmaschinen
DE2301353A1 (de) * 1973-01-12 1974-07-25 Bosch Gmbh Robert Regeleinrichtung zur abgasentgiftung von brennkraftmaschinen
CA1084143A (en) * 1975-02-25 1980-08-19 Junuthula N. Reddy System controlling any air/fuel ratio with stoichiometric sensor and asymmetrical integration
JPS51136035A (en) * 1975-05-20 1976-11-25 Nissan Motor Co Ltd Air fuel mixture rate control device
JPS5950862B2 (ja) * 1975-08-05 1984-12-11 日産自動車株式会社 空燃比制御装置
GB1538497A (en) * 1975-09-30 1979-01-17 Nissan Motor Compensation for inherent fluctuation in output level of exhaust sensor in air-fuel ratio control system for internal combustion engine

Also Published As

Publication number Publication date
JPS6115230Y2 (ja) 1986-05-12
JPS615343U (ja) 1986-01-13
US4187806A (en) 1980-02-12
JPS52154930A (en) 1977-12-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940520